7-7
SPEC
MAINTENANCE SPECIFICATIONS
Carburetor:
mm (in)
Type
BV26-20
I.D. mark
7CH00
7CH10 (For EF7200 SEA/AFR)
7HD00 (EF7000E/EF7200E/EF7200DE)
Bore size
ø20
Main jet
#105
Main air jet
ø1.4 (0.055)
ø1.5 (0.059) (For EF7200 SEA/AFR)
Pilot air jet
ø0.9 (0.053)
Pilot outlet
ø0.9 (0.053)
Valve seat size
ø1.8 (0.071)
Main nozzle
63C
65A (For EF7200 SEA/AFR)
Pilot jet
#53.8
Pilot adjusting screw
2-1/2 turns out
2 turns out (For EF7200 SEA/AFR)
Throttle valve
#120
Float height “H”
14.9 (0.59)
Governor arm:
Tension spring attach hole*
2
4 (EF7200DE)
* Holes numbers are #1–#5 from right to left, when looking down the governor arm from the panel
side.
ELECTRICAL
Electrical:
Ignition system
Ignition timing at 3600 r/min
BTDC 20° ± 3°
Spark plug type
BPR4ES (NGK)
Gap
mm (in)
0.7–0.8 (0.028–0.031)
Primary coil resistance
(
W
± 20 %)
0.6
Secondary coil resistance
(k
W
± 20 %)
12
Spark plug cap resistance
k
W
4.0–6.0
TCI unit air gap
mm (in)
0.4–0.6 (0.0157–0.0236)
Minimum spark gap
mm (in)
6.0 (0.236)
Charging coil resistance
Green/Red–Ground
(
W
± 20 %)
1.8
White–Ground
(
W
± 20 %)
2.0
Economy control system
(EF7000E/EF7200E/EF7200DE)
Economy control voltage (DC)
(economy control unit)
V
10–17
Solenoid voltage (DC)
V
10.8–13.2
Solenoid resistance
(
W
± 5 %)
26
1
2
3
4
5